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Finding the Fourth Proportional to 192,000.66, 287,990.19 and 58,880.55

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Solution

The fourth proportional to 192,000.66, 287,990.19 and 58,880.55 is: 88,317.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,000.66 : 287,990.19 = 58,880.55 : x
  2. Step 2: Convert to fraction form
    192,000.66/287,990.19 = 58,880.55/x
  3. Step 3: Cross multiply
    192,000.66x = 287,990.19 × 58,880.55
  4. Step 4: Simplify right side
    192,000.66x = 16,957,020,781.80
  5. Step 5: Solve for x
    x = 16,957,020,781.80/192,000.66
  6. Step 6: Final answer
    x = 88,317.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.